Consider a GPU with the following characteristics: Clock rate: 1.6 GHz Number of

Question

Consider a GPU with the following characteristics: Clock rate: 1.6 GHz Number of SIMD processors (i.e. Streaming Multiprocessors (SM) in NVIDIA CUDA terminology): 16 Number of Floating Point Units per SIMD processor: 16 GPU off-chip memory bandwidth: 100 GB/s Compute the throughput in FLoating-point Operations Per Second (FLOPS) without considering the memory bandwidth and assuming all memory latencies can be hidden. Assuming that each FP operation requires two operands of 4 Bytes each and outputs one 4 Byte result, is this throughput sustainable with current memory bandwidth?

Explanation / Answer

FLOPS = 4*1.6 (the resultign output) * clock rate

so the throughput will 6.4 GFLOPS

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